library/roles/smartgears/resource_checker_se_plugin/tasks/main.yml: Do not install the nagios check if nagios is not enabled on the machine.

smartgears/resource_checker_se_plugin/tasks/main.yml

@@ -16,9 +16,11 @@
 - block:
     - name: Install the resource checker nagios check
       template: src=check_missing_resources.sh.j2 dest={{ nagios_plugdir | default('/usr/lib/nagios/plugins') }}/check_missing_resources mode=0755
+      when: nagios_enabled is defined and nagios_enabled
 
     - name: Install the nrpe job to run the check
       template: src=resource_checker_nrpe.cfg.j2 dest=/etc/nagios/nrpe.d/resource_checker_nrpe.cfg owner=root group=root mode=0444
+      when: nagios_enabled is defined and nagios_enabled
       notify: Reload NRPE server
 
   become: False